When 'Oumuamua traversed our solar system in 2017 it was the first confirmed Interstellar Object (ISO) to do so. Then in 2019 ...

Test your knowledge on our solar system, from the biggest and smallest planets to the behemoth mountain on Mars.

The study also reveals that these mysterious objects fall into two distinct groups based on their orbit and size. With this ...

A new category of space rock called “dark comets” are proving more common than previously thought, with 14 asteroid-comet ...

The first dark comet—a celestial object that looks like an asteroid but moves through space like a comet—was reported less ...

NASA researchers have discovered seven more dark comets, bringing the total to 14. These objects resemble asteroids but ...

The rocky bodies, which look like asteroids but act like comets, could comprise up to 60% of near-Earth objects.

NASA researchers have discovered seven new dark comets, asteroids that act like comets, and they say there could be even more ...

This new data reveals that not even all dark comets are the same: there are at least two different kinds. And, in turn, the ...

It was discovered the following year by Carolyn and Eugene M. Shoemaker, and David Levy and was the first comet ever known to ...

Astronomers unveiled the discovery of seven new 'dark comets' that they believe could be the mechanism by which water enters ...

Dark comets are a newly defined type of near-Earth object that resemble asteroids but behave like comets, exhibiting dynamic ...